111020313012100 has 18 divisors (see below), whose sum is σ = 240914079236474. Its totient is φ = 44408125204800.

The previous prime is 111020313012047. The next prime is 111020313012101. The reversal of 111020313012100 is 1210313020111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3876118313796 + 107144194698304 = 1968786^2 + 10351048^2 .

It is not an unprimeable number, because it can be changed into a prime (111020313012101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555101564961 + ... + 555101565160.

Almost surely, 2^{111020313012100} is an apocalyptic number.

111020313012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111020313012100 is an abundant number, since it is smaller than the sum of its proper divisors (129893766224374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111020313012100 is a wasteful number, since it uses less digits than its factorization.

111020313012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110203130135 (or 1110203130128 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111020313012100 its reverse (1210313020111), we get a palindrome (112230626032211).

The spelling of 111020313012100 in words is "one hundred eleven trillion, twenty billion, three hundred thirteen million, twelve thousand, one hundred".